In this paper design of some circuit including in A/ D circuit is also analyzed, such as front analo

中文解释

按照功能的不同，硬件划分成处理器系统模块、模拟信号输入和转换模块、开关量输入输出模块、通信模块、时钟模块、键盘显示模块、电源模块。

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